The amount of a peptidyl-prolyl cis-trans isomerase FKBP1B (human) when measured in cerebrospinal fluid. The trait is Ontology of Biological Attributes id OBA_2058350 (level of peptidyl-prolyl cis-trans isomerase FKBP1B (human) in cerebrospinal fluid). Also known as: cerebrospinal fluid peptidyl-prolyl cis-trans isomerase FKBP1B (human) amount.